Developer Utilities & Tools
Essential client-side tools for software engineers. All operations execute locally in your browser memory — tokens, passwords, and source code are never sent to any server.
Encoding & Decoding
Base64 Encoder
Encode text or files into Unicode-safe Base64 format
Base64 Decoder
Decode Base64 strings into UTF-8 text safely
URL Encoder
Encode special characters for query strings and URLs
URL Decoder
Decode percent-encoded URL components back to text
HTML Encoder
Escape HTML entities (&, <, >, quotes) for safe rendering
HTML Decoder
Convert HTML entities back into original characters
Code Formatting
Generators
UUID Generator
Generate cryptographically secure v4 UUIDs in bulk
Random String Generator
Generate custom alphanumeric and symbol strings
Password Generator
Generate strong passwords with crypto randomness
Lorem Ipsum Generator
Generate placeholder text paragraphs, sentences, or words
Developer Information
JWT Decoder
Decode JSON Web Tokens (Header, Payload, Claims) 100% client-side
HTTP Status Code
Searchable reference of 1xx to 5xx HTTP response status codes
MIME Type Lookup
Lookup MIME types and file extensions instantly
User Agent Parser
Inspect browser, OS, engine, and device type from User-Agent string